On 2015-02-04 16:41, Adietya Perdana Putra wrote:
> Saya sudah memasukkan IP 103.253.115.211 ke dalam Backscatter Protection
> Whitelist.
> Tetapi masih menemui masalah yang sama.
> 
> <[email protected]>: host mail.sarimakmur.com[103.253.115.211]
>     said: 550-Verification failed for 
> <[email protected]>
>     550-Called:   202.59.172.4 550-Sent:     RCPT
>     TO:<[email protected]> 550-Response: 550 5.1.1
>     Backscatter Protection detected an invalid or expired email address 550
>     Sender verify failed (in reply to RCPT TO command)

Coba cari transaksi tolakkan mail dari sender mail.sarimakmur.com,
mungkin dia pakai IP lain untuk callback.
Masukkan callback IP itu kedalam backscatter whitelist juga.


-- 
syafril
-------
Syafril Hermansyah
MDaemon-L Moderators, running MDaemon 15.0-64 Beta C, SP 4.5-64
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The only thing that stands between you and your dream is the will to try
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        ---  Joel Brown


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